The first rule of bridal party etiquette is to always talk about bridal party etiquette, especially in public internet forums.
And the second, more important rule is to never upstage the bride. One bridesmaid did exactly that when she not only announced her pregnancy on the morning of her friend's wedding, but proceeded to steal her thunder all day long.
The bride posted on Reddit about the issue, asking if she's the a-hole if she gets mad at her friend.
I got married two weekends ago. I asked my three best friends Anna, Kelly and Laura to be my bridesmaids 2 years before the wedding and found them very helpful when planning.
For the morning of my wedding I hired a fancy penthouse apartment for myself and the bridesmaids to get ready.
We had champagne and as we were pouring it out, Laura said none for her. Now Laura is the biggest party animal of us all so naturally we questioned why she wasn’t drinking. Laura then told us she was pregnant.
Of course I was happy for her but obviously the focus was then on Laura and her pregnancy and not us getting ready for my wedding, something I had been planning for 2 years.